Question

Write the equation of the line fully simplified slope-intercept form.

Y
12
11
10
0
8
7
6
5
4
3
2
1
X
-12-11-10 -9 -8 -7 -6 -5 -4 -3 -2 -1,
1 2 3 4 5 6 7 8 9 10 11 12
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
-12

Answer 1

y = -x + 8

Explanation:

The equation can be written as;

y = mx + b

where b is the y-intercept

From the diagram , b= 8

y = mx + 8

To get m, substitute (8,0 ) into the equation

0 = 8x + 8

x = -8/8

x = -1

So the full equation is;

y = -x + 8